For decades, scientists have known that people with two copies of a gene called apolipoprotein E4, or ApoE4, are much more likely to have Alzheimer’s disease at age 65 than the rest of the population.  Late-onset Alzheimer’s disease, the subset of the disorder occurring in people age 65 and over, affects more than 5 million Americans, and is characterized by progressive memory loss and dementia. … Continue reading Study shows why people with the ApoE4 gene are more susceptible to Alzheimer’s disease.